From Wikipedia:

Trollope

The name Trollope is derived from the place-name Troughburn, in Northumberland, England, originally Trolhop, Norse for "troll valley". The earliest recorded use of the surname is John Andrew Trolope who lived in Thornlaw, Co. Durham and Sir Andrew Trollope who was an English soldier during the later stages of the Hundred Years' War and at the time of the Wars of the Roses... Read More